Search a number
-
+
120166257 = 31271971601
BaseRepresentation
bin1110010100110…
…01011101110001
322101010002010010
413022121131301
5221230310012
615531325133
72656252641
oct712313561
9271102103
10120166257
1161915762
12342b07a9
131bb847c3
1411d60521
15a839c3c
hex7299771

120166257 has 16 divisors (see below), whose sum is σ = 162404352. Its totient is φ = 79027200.

The previous prime is 120166231. The next prime is 120166259. The reversal of 120166257 is 752661021.

It is not a de Polignac number, because 120166257 - 27 = 120166129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120166259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74257 + ... + 75857.

It is an arithmetic number, because the mean of its divisors is an integer number (10150272).

Almost surely, 2120166257 is an apocalyptic number.

It is an amenable number.

120166257 is a deficient number, since it is larger than the sum of its proper divisors (42238095).

120166257 is a wasteful number, since it uses less digits than its factorization.

120166257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1928.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 120166257 is about 10962.0370825864. The cubic root of 120166257 is about 493.4701014253.

The spelling of 120166257 in words is "one hundred twenty million, one hundred sixty-six thousand, two hundred fifty-seven".

Divisors: 1 3 127 197 381 591 1601 4803 25019 75057 203327 315397 609981 946191 40055419 120166257